<!DOCTYPE html>
<!--suppress ALL-->
<html xmlns:v-on="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
视频文件：<span th:text="${lession.lessionVideo}"></span><br>
ppt: <span th:text="${lession.lessionPpt}"></span><br>
word: <span th:text="${lession.lessionWord}"></span><br>
</body>
</html>